21848157

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{42589}}^1$

素因数の和:42617

約数の個数: 16

約数和(自身を含む): 34072000

約数和(自身を除く): 12223843

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 42589, 127767, 383301, 809191, 1149903, 2427573, 7282719, 21848157]

約数ペア:

[(1, 21848157), (3, 7282719), (9, 2427573), (19, 1149903), (27, 809191), (57, 383301), (171, 127767), (513, 42589)]